A study suggests that genetic factors may explain why LDL cholesterol rises sharply in some people who follow a low-carbohydrate, high-fat diet. Two people can follow the same low-carbohydrate diet and experience very different changes in cholesterol. One may see little difference, while the other develops a sharp increase in low-density lipoprotein (LDL) cholesterol. New [...]

A study found that unsweetened sparkling water lowers oral pH less than soda sweetened with sugar. A sip of sparkling water briefly makes the mouth more acidic, but not nearly as much as sugar-sweetened soda, according to a comparison of several common beverages. The findings suggest that choosing an unsweetened carbonated drink instead of soda [...]